Recent terrorist attacks against businesses and schools in America have caused great concern for the safety of America's children in a facility without alarm systems. For centuries man has depended on his best friend (the dog) to alert him to impending danger or an intruder. Technological developments have advanced, and the idea of alarms is to repel intrudersRead more about What is a Brief History of Security Alarms?[...]The post What is a Brief History of Security Alarms? appeared first on Community Response Systems.
